Is there an equivalent of MOD Excel Function in Xojo?
The Microsoft Excel MOD function returns the remainder after a number is divided by a divisor.
The syntax for the MOD function in Microsoft Excel is:
MOD( number, divisor )
Regards. 
X mod y. It’s an operator in Xojo.
It might be worth reviewing the updated Fundamentals section of the User Guide, which might help you discover some of these things.